The right triangular prisms shown have the same surface area. Find the height of
prism B.
20 cm
Prism A
24 cm
h = cm
3 cm
20 cm
6 cm
Prism B
8 cm

The volume of the cube is greater than 5.4 cubic inches.

The volume of a cube of side length a is given by the cube of the side length, as follows:

V = a³.

The side length in the context of this problem is given as follows:

a = 5.4 in.

Hence the volume of the cube is given as follows:

V = 5.4³

V = 157.5 cubic inches.

(to obtain the volume of the cube, we apply the formula obtaining the cube of the side length).

157.5 > 5.4, hence the volume of the cube is greater than 5.4 cubic inches.

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Yes, it is possible to solve x(t) for t and substitute it into y(t) to eliminate the parameter t and write it as a rectangular equation with x and y instead.

Starting with the given equation:

x(t) = 0.5507t^2 - 1.5393t - 86.1

To solve for t, we can use the quadratic formula:

t = [-(-1.5393) ± sqrt((-1.5393)^2 - 4(0.5507)(-86.1))]/(2(0.5507))

Simplifying the equation:

t = [1.5393 ± sqrt(1.5393^2 + 190.2122)]/1.1014

t = [1.5393 ± 13.9769]/1.1014

t = -11.098 or 25.682

Since we're interested in the positive value of t, t = 25.682.

Now, substituting t = 25.682 into y(t):

y(t) = 0.5054t - 78.9

y(25.682) = 0.5054(25.682) - 78.9

y(25.682) = 1.504

Therefore, the rectangular equation for the given parametric equations is:

x = 0.5507t^2 - 1.5393t - 86.1

y = 0.5054t - 78.9

Substituting t = 25.682:

x = 358.6

y = 1.504

So the rectangular equation is:

(x, y) = (358.6, 1.504)

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so hmmm let's call them P(2, 4) and Q(10, 8)

[tex]\textit{internal division of a segment using a fraction}\\\\ P(\stackrel{x_1}{2}~,~\stackrel{y_1}{4})\qquad Q(\stackrel{x_2}{10}~,~\stackrel{y_2}{8})~\hspace{8em} \frac{1}{4}\textit{ of the way from P to Q} \\\\[-0.35em] ~\dotfill[/tex]

[tex](\stackrel{x_2}{10}-\stackrel{x_1}{2}~~,~~ \stackrel{y_2}{8}-\stackrel{y_1}{4})\qquad \implies \qquad \stackrel{\stackrel{\textit{component form of}}{\textit{segment PQ}}}{\left( 8 ~~,~~ 4 \right)} \\\\[-0.35em] ~\dotfill\\\\ \left( \stackrel{x_1}{2}~~+~~\frac{1}{4}(8)~~,~~\stackrel{y_1}{4}~~+~~\frac{1}{4}(4) \right) \implies \boxed{(4~~,~~5)}[/tex]

Answer:

x=9

Step-by-step explanation:

Since x is a midsegment this means that it bisects the side with a length of 16. Now using ratio and proportion between the large triangle and the small triangle to find the length of x you have to do

18/16=x/(16/2)

16x=18(8)

x= 144/16

x=9

Answer: To determine the time it would take to save $3400 in an account with a 0.12% interest rate compounded continuously to end up with $5000, we can use the continuous compound interest formula:

A = Pe^(rt)

Where:

A = the final amount in the account ($5000 in this case)

P = the initial amount in the account ($3400 in this case)

e = the mathematical constant e (approximately equal to 2.71828)

r = the annual interest rate (0.12% = 0.0012 as a decimal)

t = the time in years

We can rearrange this formula to solve for t:

t = ln(A/P) / r

Substituting the values given, we get:

t = ln(5000/3400) / 0.0012

t = 28.58 years (rounded to two decimal places)

Therefore, it would take approximately 28.58 years to save $3400 in an account with a 0.12% interest rate compounded continuously to end up with $5000.

Step-by-step explanation:

b)i) The curve that matches y = x² - 2x - 3 is the middle one, which is a parabola opening upward. b)ii)  we can estimate that y(2.5) ≈ y(2) + 3/2 = -3 + 3/2 = -1.5. b)iii) the only value of x when y = 1 is x = 2.

a)

| x | y

| -3 | 12

| -2 | 1

| -1 | -4

| 0 | -3

| 1 | -2

| 2 | -3

| 3 | 0

b) i) The curve that matches y = x² - 2x - 3 is the middle one, which is a parabola opening upward.

ii) To estimate the value of y when x = 2.5, we can use the values of y when x = 2 and x = 3 to find the average rate of change, and then add or subtract that from the value of y when x = 2 or x = 3, respectively.

Using x = 2 and x = 3, we have:

Average rate of change = (y(3) - y(2)) / (3 - 2) = 3

So we can estimate that y(2.5) ≈ y(2) + 3/2 = -3 + 3/2 = -1.5.

iii) To find the values of x when y = 1, we can set y = 1 in the equation y = x² - 2x - 3 and solve for x:

x² - 2x - 3 = 1

x² - 2x - 4 = 0

(x - 2)² = 0

x - 2 = 0

x = 2

So the only value of x when y = 1 is x = 2.

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answer

(1.2, 1) if its asking what i think it is

Step-by-step explanation:

The general fertility rate refers to the number of live births reported in an area during a given time interval divided by the number of women age 15 to 44 years in the area is false

The general fertility rate refers to the number of live births reported in an area during a given time interval per 1,000 women of reproductive age (usually defined as 15 to 44 years old) in the same area.

Therefore, it is a rate or a ratio that expresses the number of births in relation to the number of women of reproductive age in a population.

Hence, the statement is False that the general fertility rate refers to the number of live births reported in an area during a given time interval divided by the number of women age 15 to 44 years in the area is false

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The length of side LJ is equal to 11.48 units.

In Mathematics and Geometry, two (2) triangles are only similar when the ratio of their corresponding side lengths are equal and their corresponding angles are congruent.

Based on the diagram, we can logically deduce the following proportion based on the congruent sides:

XY/JK = YZ/KL = ZX/LJ

8.7/12.18 = 8.2/LJ = 7.8/KL

By cross-multiplying and solving for the length of side LJ, we have the following:

LJ = (12.18 × 8.2)/8.7

LJ = 11.48 units.

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The coefficient of determination will be 0.36.

the coefficient of correlation measures the strength and direction of the linear relationship between two variables, while the coefficient of determination measures the proportion of the total variation in one variable that is explained by the other variable.

The coefficient of determination is equal to the square of the coefficient of correlation, so if the coefficient of correlation is -0.6, we can square it to get 0.36. Therefore, the coefficient of determination will be 0.36.

knowing the coefficient of correlation between two variables can help us determine the coefficient of determination, which represents the proportion of the variation in one variable that is explained by the other variable.

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Therefore, the probability that the sample mean cholesterol level is less than 190 is approximately 0.23%.

We can use the central limit theorem to approximate the distribution of the sample mean cholesterol level as normal with a mean of 202 and a standard deviation of 41/sqrt(100) = 4.1.

To find the probability that the sample mean cholesterol level is less than 190, we can standardize the sample mean using the formula:

z = (x - mu) / (sigma / sqrt(n))

where x is the sample mean, mu is the population mean, sigma is the population standard deviation, and n is the sample size.

Plugging in the values, we get:

z = (190 - 202) / (4.1) = -2.93

Now we can use a standard normal distribution table or calculator to find the probability that a standard normal random variable is less than -2.93. The probability is approximately 0.0023 or 0.23%.

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Answer:

a) 1 : 3 and 1 : 27. b) 1728 inches³

Step-by-step explanation:

a) if ratio of areas is 1:9, then the ratio of lengths is √1 : √9 = 1:3

ratio of volumes is 1³ : 3³ = 1 : 27

b) volume of smaller = 64.

ratio of volumes = 1 : 27

volume of larger sphere = 27 X 64 = 1728 (inches³)

The maximum number of points that may not be on the line is given as follows:

A. 6.

To find the regression equation, which is also called called line of best fit or least squares regression equation, we need to insert the points (x,y) in a linear regression calculator.

When we insert the points on a calculator, we get a linear function that is obtained using the mean and sum of squares of the points. This means that the line has on average the least distance to the points, but it can happen that none of the points is exactly on the line.

Hence option A is the correct option in the context of this problem.

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Therefore, the probability distribution of x is:

x    P(X=x)

0    1/64

1    3/64

2    9/64

3    27/64

Let's use a probability tree to determine the probability distribution of x, the number of tails observed after 3 tosses of a biased coin where tails is three times as likely as heads.

On the first toss, the probability of observing tails is 3/4, and the probability of observing heads is 1/4. Let's label the branches T and H, respectively.

For each of the T and H branches, we repeat the same probabilities for the second and third tosses, resulting in the following probability tree:

        / T \

    / T /     \ H \

   /   /       \   \

  T   H         T   H

 / \ / \       / \ / \

T  T T  H     T  H T  H

Now, we can determine the probability of each possible outcome for x, the number of tails observed after 3 tosses:

x = 0: This can only occur if all three tosses are heads (H, H, H). The probability of this is (1/4) * (1/4) * (1/4) = 1/64.

x = 1: This can occur in three ways: (T, H, H), (H, T, H), and (H, H, T). The probability of each is (3/4) * (1/4) * (1/4) = 3/64.

x = 2: This can occur in three ways: (T, T, H), (T, H, T), and (H, T, T). The probability of each is (3/4) * (3/4) * (1/4) = 9/64.

x = 3: This can only occur if all three tosses are tails (T, T, T). The probability of this is (3/4) * (3/4) * (3/4) = 27/64.

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Answer:

p(girl) = 12/31

Step-by-step explanation:

p(event) = (number desired outcomes)/(total number of possible outcomes)

Here, we have 12 girls and 19 boys. The total is 12 + 19 = 31. When we pick one out of all of them, we are picking one out of 31, so the total number of possible outcomes is 31, every single one of the girls and boys.

The desired outcome is picking one girl. How many ways can you pick a girl? The answer is 12 since there are 12 different girls. The number of desired outcomes is 12.

p(girl) = (number of desired outcomes)/(total number of possible outcomes)

p(girl) = 12/31

The probability of having both lab work and a referral during a visit to a primary care physician's office is 0.16 or 16%.

To find the probability of having both lab work and a referral, we can use the formula P(A and B) = P(A) + P(B) - P(A or B), where A and B are events and P is the probability of those events occurring.

Let A be the event of having lab work and B be the event of having a referral.

We know that P(A) = 0.41, P(B) = 0.53, and P(neither A nor B) = 0.21.

To find P(A or B), we can use the formula P(A or B) = P(A) + P(B) - P(A and B). We don't know P(A and B), but we can find it by using the fact that P(neither A nor B) = 0.21:

P(A or B) = P(A) + P(B) - P(A and B)
1 - P(neither A nor B) = P(A) + P(B) - P(A and B)
1 - 0.21 = 0.41 + 0.53 - P(A and B)
0.78 = 0.94 - P(A and B)
P(A and B) = 0.16

Therefore, the probability of having both lab work and a referral is 0.16.


The probability of having both lab work and a referral during a visit to a primary care physician's office can be found using the formula P(A and B) = P(A) + P(B) - P(A or B). Given that the probability of having lab work is 0.41, the probability of having a referral is 0.53, and the probability of having neither is 0.21, we can solve for P(A and B) and get a probability of 0.16. This means that there is a 16% chance of a patient having both lab work and a referral during their visit.


In conclusion, the probability of having both lab work and a referral during a visit to a primary care physician's office is 0.16 or 16%. This calculation was done using the formula P(A and B) = P(A) + P(B) - P(A or B), with the probabilities of having lab work, a referral, and neither being given.

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The distance across the lake PQ will be 496.8 meters.

Given that:

Sides, OS = 210 m, SQ = 70 m, and RS = 124.2 m

The ratio of the matching sides will remain constant if two triangles are comparable to one another.

The distance across the lake PQ is calculated as,

PQ / RS = OQ / SQ

PQ / 124.2 = (210 + 70) / 70

PQ / 124.2 = 280 / 70

PQ = 496.8 m

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-15 is the value of the variable x in the given equation -3x+x-5= 25

The given equation is -3x+x-5= 25

Minus three times of x plus x minus five equal to twenty five

x is the variable in the equation

Minus and plus are the operators

Combine the like terms in the equation

-2x-5=25

Add 5 on both sides

-2x=30

x=-15

Hence, the value of x in the equation is -15

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The distance left to hike by Cassius is equal to 1.44 miles . Dana hiked 3.5986 miles

We are given that Cassie hiked 4 tenths of a 4.7-mile trail and  Dana was 1.6 miles ahead of Cassie.

Since Cassius walked 6/10th of the trail of 3.6 miles.

Part of the trail remaining = 1 - 6/10 = 4/10 = 2/5

Distance remaining will be  2/5 of 3.6 miles

= 1.44 miles.

Hence distance left to hike by Cassius = 1.44 miles  

b. Total distance by which Dana was ahead of Cassius =  1.6miles.

Distance left to hike by Dana= 1.44 miles - 1.6 miles = 0.0014 miles.

so, the distance hiked by Dana= 3.6 miles - 0.0014 miles = 3.5986 miles.

Dana hiked 3.5986 miles.

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The total balance in the savings account after 10 years will be $2,187.48.

The formula accrued amount in a compounded interest is expressed as;

[tex]A = P(1 + \frac{r}{n} )^{(n*t)}[/tex]

Where A is accrued amount, P is principal, r is interest rate and t is time.

Given that:

First, convert R as a percent to r as a decimal

r = R/100

r = 2.1/100

r = 0.021

Now, plug the values into the above formula and simplify.

[tex]A = P(1 + \frac{r}{n} )^{(n*t)}\\\\A = 1,777(1 + \frac{0.021}{1} )^{(1*10)}\\\\A = 1,777(1 +0.021 )^{(10)}\\\\A = 1,777(1.021 )^{(10)}\\\\A = 2,187.48[/tex]

Therefore, the accrued amount is $2,187.48.

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Answer:

9.25 inches

Step-by-step explanation:

9.25 inches

Answer:

5:05 PM

Step-by-step explanation:

Use a time calculator.

Answer:5:05pm

Step-by-step explanation:

It might be easier to split up the 5 hours and 35 min in minutes and hours

11:30 + 5 hours = 4:30pm

There is still 35 minutes left.

4:30 + 35 min = 5:05pm

∴, Christine finished shopping at 5:05pm

Answer:279 cm2

Step-by-step explanation:

The area of a rhombus is calculated by multiplying the length of the base by the height.

The base of the rhombus is 18 cm and the height is 15.5 cm.

Therefore, the area of the rhombus is:

18 cm × 15.5 cm = 279 cm²

So the answer is 279 cm².

Janet's Athletic Company can ship 15 basketballs in the round containers with a volume of 208,592.

To figure out how many basketballs Janet's Athletic Company can ship, we need to divide the volume of the round containers by the volume of each basketball. So we can set up the following equation:
Number of basketballs = Volume of round containers / Volume of each basketball
Plugging in the given values, we get:
Number of basketballs = 208,592 / 13906
Simplifying the division, we get:
Number of basketballs = 15
Therefore, Janet's Athletic Company can ship 15 basketballs in the round containers with a volume of 208,592.

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The length of the arc is approximately 4.5 to the nearest 10th.

To find the length of the arc intercepted by an angle in a circle, we can use the formula:

Arc length = radius × angle (in radians)

In this case, the radius is 4.5, and the angle is 1 radian. So, we can calculate the arc length as follows:

Arc length = 4.5 × 1 ≈ 4.5

Therefore, the length of the arc is approximately 4.5 to the nearest 10th.

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The trigonometric ratios for tangent indicates that the height of the kite, where the distance between the observers is 500 m, and the angle of elevation are 30° and 20° is h ≈ 492.4 meters

Trigonometric ratios are mathematical functions that express the relationships between an interior angle of a right triangle and two of the sides of the triangle.

The distance between the two observers = 500 m

The angle of observation of the kite by each of the two observers = 30° and 20°

Let h represent the height of the kite, and let x represent the horizontal distance from the kite to the closer observer (The observer observing with an angle of elevation of 30°), we get;

The horizontal distance from the kite to the other observer = x + 500

Therefore, according to the trigonometric ratios for tangent;

tan(20°) = h/(x + 500)

tan(30°) = h/x

h = x × tan(30°)

Therefore;

tan(20°) = (x × tan(30°))/(x + 500)

(x + 500) × tan(20°) = x × tan(30°)

(x + 500) × 0.36397 = x × (1/(√3))

0.36397·x + 500 × 0.36397 = x/√3

x/√3 - 0.36397·x = 500 × 0.36397 = 181.985

x·(1/√3 - 0.36397) = 181.985

x = 181.985/((1/√3 - 0.36397))

h = 181.985/((1/√3 - 0.36397)) × tan(30°)

h = 181.985/((1/√3 - 0.36397)) × (1/√3) ≈ 492.4

The height of the kite, h ≈ 492.4 meters

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According to the information, The Least Common Multiple (LCM) and the greatest common divisor (GCD) allow us to simplify fractions and solve proportion problems.

The Least Common Multiple (LCM) and  greatest common divisor (GCD) are two ways to calculate the smallest number that is a multiple of all given numbers (LCM) and is the largest number that is a common divisor of all the given numbers (GCD)

The usefulness of the LCM and GCD lies in the fact that they allow us to simplify fractions and solve proportion problems. In addition, they are useful in factoring polynomials and solving linear equations.

Note: This question is in Spanish. The answer is in English
Question:
What is th least common multiple and the greatest common divisor?

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